Engle, Scott G., Guinan, Edward F., Harper, Graham M., Neilson, Hilding R., and Evans, Nancy Remage (2014) The secret lives of Cepheids: evolutionary changes and pulsation-induced shock heating in the prototype classical Cepheid δ cep. Astrophysical Journal, 794 (1). pp. 1-15.

Engle, Scott Gerard (2014) The secret lives of cepheids: a multi-wavelength study of the atmospheres and real-time evolution of classical cepheids. PhD thesis, James Cook University.

Evans, Nancy Remage, Guinan, Edward, Engle, Scott, Wolk, Scott J., Schlegel, Eric, Mason, Brian D., Karovska, Margarita, and Spitzbart, Bradley (2010) Chandra observation of Polaris: census of low-mass companions. Astronomical Journal, 139 (5). pp. 1968-1974.

Engle, Scott G., Guinan, Edward F., DePasquale, Joseph, and Evans, Nancy (2009) The secret XUV lives of Cepheids: FUV/X-ray observations of polaris and beta Dor. In: AIP Conference Proceedings (1135) pp. 192-197. From: 2009 AIP Conference: Future Directions in Ultraviolet Spectroscopy, 20-22 October 2008, Annapolis, MD, USA.